PAINT CALCULATOR
You may perform an exact calculation or just do a rough estimate. For the estimate 15% of the reas is assumed to be windows and doors.
Most paints provide approximately 400 square feet of coverage per gallon.
HANDY PAINT CALCULATOR Amount of gallons required to paint a roomMeasurement around the room - Including doors & windows
This measurement is based on an average coverage of 400 sq.ft. per gallon for one coat.